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On some new effects in delta-doped QWs

  • V. Tulupenko
  • , C. A. Duque
  • , R. Demediuk
  • , V. Belykh
  • , A. Tiutiunnyk
  • , A. L. Morales
  • , V. Akimov
  • , R. L. Restrepo
  • , M. E. Mora-Ramos
  • , V. Poroshin
  • , O. Fomina
  • Donbass StateEngineering Academy
  • Universidad de Antioquia
  • Universidad EIA
  • Universidad Autonoma del Estado de Morelos
  • Institute of Physics

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Self-consistent calculation of Schrodinger, Poisson and electroneutrality equation with embedded impurity binding energy calculations of delta-doped SiGe/Si quantum well structures are performed. The influence of several parameters of the structure on the impurity binding energy is studied and discussed. On the basis of found phenomena the idea of an optical modulator controlled by a weak electric field is put forward.

Original languageEnglish
Pages (from-to)162-169
Number of pages8
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume66
DOIs
StatePublished - Feb 2015
Externally publishedYes

Keywords

  • Delta-doping
  • Impurity binding energy
  • Quantum well
  • Self-consistent calculation

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